[apops] Weekly Routing Table Report

  • To: apops at apops dot net, nanog at nanog dot org, routing-wg at ripe dot net, afnog at afnog dot org, ausnog at ausnog dot net, sanog at sanog dot org
  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 23 Aug 2008 04:08:11 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 23 Aug, 2008
      
      Report Website:     http://thyme.apnic.net
      Detailed Analysis:  http://thyme.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              266564
          Prefixes after maximum aggregation:                          129847
          Deaggregation factor:                                          2.05
          Unique aggregates announced to Internet:                     129767
      Total ASes present in the Internet Routing Table:                 29013
          Prefixes per ASN:                                              9.19
      Origin-only ASes present in the Internet Routing Table:           25251
      Origin ASes announcing only one prefix:                           12229
      Transit ASes present in the Internet Routing Table:                3762
      Transit-only ASes present in the Internet Routing Table:             80
      Average AS path length visible in the Internet Routing Table:       3.6
          Max AS path length visible:                                      26
          Max AS path prepend of ASN ( 3816)                               15
      Prefixes from unregistered ASNs in the Routing Table:               571
          Unregistered ASNs in the Routing Table:                         212
      Number of 32-bit ASNs allocated by the RIRs:                         58
      Prefixes from 32-bit ASNs in the Routing Table:                       7
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            765
      Number of addresses announced to Internet:                   1893845344
          Equivalent to 112 /8s, 225 /16s and 201 /24s
          Percentage of available address space announced:               51.1
          Percentage of allocated address space announced:               62.0
          Percentage of available address space allocated:               82.3
          Percentage of address space in use by end-sites:               73.2
      Total number of prefixes smaller than registry allocations:      130756
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    61188
          Total APNIC prefixes after maximum aggregation:               22742
          APNIC Deaggregation factor:                                    2.69
      Prefixes being announced from the APNIC address blocks:           58158
          Unique aggregates announced from the APNIC address blocks:    26203
      APNIC Region origin ASes present in the Internet Routing Table:    3337
          APNIC Prefixes per ASN:                                       17.43
      APNIC Region origin ASes announcing only one prefix:                879
      APNIC Region transit ASes present in the Internet Routing Table:    514
      Average APNIC Region AS path length visible:                        3.5
          Max APNIC Region AS path length visible:                         19
      Number of APNIC addresses announced to Internet:              372857376
          Equivalent to 22 /8s, 57 /16s and 90 /24s
          Percentage of available APNIC address space announced:         79.4
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
      APNIC Address Blocks    58/8,  59/8,  60/8,  61/8, 112/8, 113/8, 114/8,
                             115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8,
                             122/8, 123/8, 124/8, 125/8, 126/8, 202/8, 203/8,
                             210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8,
                            
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    122269
          Total ARIN prefixes after maximum aggregation:                65261
          ARIN Deaggregation factor:                                     1.87
      Prefixes being announced from the ARIN address blocks:            91444
          Unique aggregates announced from the ARIN address blocks:     34942
      ARIN Region origin ASes present in the Internet Routing Table:    12396
          ARIN Prefixes per ASN:                                         7.38
      ARIN Region origin ASes announcing only one prefix:                4764
      ARIN Region transit ASes present in the Internet Routing Table:    1180
      Average ARIN Region AS path length visible:                         3.3
          Max ARIN Region AS path length visible:                          17
      Number of ARIN addresses announced to Internet:               360765536
          Equivalent to 21 /8s, 128 /16s and 216 /24s
          Percentage of available ARIN address space announced:          74.1
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
      ARIN Address Blocks     24/8,  63/8,  64/8,  65/8,  66/8,  67/8,  68/8,
                              69/8,  70/8,  71/8,  72/8,  73/8,  74/8,  75/8,
                              76/8,  96/8,  97/8,  98/8,  99/8, 173/8, 174/8,
                             199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8,
                             216/8,
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     57552
          Total RIPE prefixes after maximum aggregation:                34846
          RIPE Deaggregation factor:                                     1.65
      Prefixes being announced from the RIPE address blocks:            52673
          Unique aggregates announced from the RIPE address blocks:     35376
      RIPE Region origin ASes present in the Internet Routing Table:    11754
          RIPE Prefixes per ASN:                                         4.48
      RIPE Region origin ASes announcing only one prefix:                6181
      RIPE Region transit ASes present in the Internet Routing Table:    1797
      Average RIPE Region AS path length visible:                         4.0
          Max RIPE Region AS path length visible:                          26
      Number of RIPE addresses announced to Internet:               369446912
          Equivalent to 22 /8s, 5 /16s and 80 /24s
          Percentage of available RIPE address space announced:          84.7
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-48127
      RIPE Address Blocks     62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                              83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                              90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 193/8,
                             194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   20959
          Total LACNIC prefixes after maximum aggregation:               5284
          LACNIC Deaggregation factor:                                   3.97
      Prefixes being announced from the LACNIC address blocks:          19219
          Unique aggregates announced from the LACNIC address blocks:   10731
      LACNIC Region origin ASes present in the Internet Routing Table:    986
          LACNIC Prefixes per ASN:                                      19.49
      LACNIC Region origin ASes announcing only one prefix:               325
      LACNIC Region transit ASes present in the Internet Routing Table:   168
      Average LACNIC Region AS path length visible:                       4.1
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              54552832
          Equivalent to 3 /8s, 64 /16s and 105 /24s
          Percentage of available LACNIC address space announced:        54.2
      
      LACNIC AS Blocks       26592-26623, 27648-28671, plus ERX transfers
      LACNIC Address Blocks  186/8, 187/8, 189/8, 190/8, 200/8, 201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   4024
          Total AfriNIC prefixes after maximum aggregation:              1236
          AfriNIC Deaggregation factor:                                  3.26
      Prefixes being announced from the AfriNIC address blocks:          4368
          Unique aggregates announced from the AfriNIC address blocks:   1935
      AfriNIC Region origin ASes present in the Internet Routing Table:   250
          AfriNIC Prefixes per ASN:                                     17.47
      AfriNIC Region origin ASes announcing only one prefix:               80
      AfriNIC Region transit ASes present in the Internet Routing Table:   52
      Average AfriNIC Region AS path length visible:                      3.9
          Max AfriNIC Region AS path length visible:                       14
      Number of AfriNIC addresses announced to Internet:             12627712
          Equivalent to 0 /8s, 192 /16s and 175 /24s
          Percentage of available AfriNIC address space announced:       37.6
      
      AfriNIC AS Blocks      36864-37887 & ERX transfers
      AfriNIC Address Blocks  41/8, 196/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4755     1703        537         179   Videsh Sanchar Nigam Ltd. Aut
      17488     1334         88         101   Hathway IP Over Cable Interne
       9583     1184         93         496   Sify Limited
       4766      868       6407         355   Korea Telecom (KIX)
       4134      835      13521         338   CHINANET-BACKBONE
      23577      823         35         698   Korea Telecom (ATM-MPLS)
       4780      715        353          61   Digital United Inc.
      18101      693        167          33   Reliance Infocom Ltd Internet
       9498      675        291          54   BHARTI BT INTERNET LTD.
       4808      618       1112         137   CNCGROUP IP network: China169
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3200       3358         207   bellsouth.net, inc. 
        209     2881       3857         620   Qwest 
       6298     1981        319         726   Cox Communicatons 
       1785     1647        710         155   AppliedTheory Corporation 
       2386     1505        692         900   AT&T Data Communications Serv
       4323     1495       1073         376   Time Warner Telecom
       7018     1410       5816         983   AT&T WorldNet Services
      11492     1214        151          22   Cable One 
       6478     1114        237         174   AT&T Worldnet Services 
      20115     1113       1080         576   Charter Communications 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      414       1776         372   TDC Tele Danmark
       3215      396       2756         106   France Telecom Transpac
       8452      354        188          11   TEDATA
       3301      333       1444         304   TeliaNet Sweden
       3320      323       7047         271   Deutsche Telekom AG
       8866      316         77          21   Bulgarian Telecommunication C
       5462      296        666          27   Telewest Broadband
       8551      288        270          38   Bezeq International
        680      275       2047         265   DFN-IP service G-WiN
       6746      270        126         244   Dynamic Network Technologies,
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8151     1520       2592         225   UniNet S.A. de C.V. 
      11830      664        299           9   Instituto Costarricense de El
      22047      563        270          14   VTR PUNTO NET S.A. 
       7303      477        235          67   Telecom Argentina Stet-France
      16814      426         27          10   NSS, S.A. 
       6471      420         85          48   ENTEL CHILE S.A. 
      11172      409        118          72   Servicios Alestra S.A de C.V 
      10620      383        102          74   TVCABLE BOGOTA 
      14117      345         23           9   Telefonica del Sur S.A. 
      28573      325        440          28   NET Servicos de Comunicao S.A
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      24863      497         64          29   LINKdotNET AS number
      20858      402         34           3   EgyNet
       3741      273        857         226   The Internet Solution 
       2018      224        213         131   Tertiary Education Network 
       6713      143        135          11   Itissalat Al-MAGHRIB
      33783      136         10          13   EEPAD TISP TELECOM & INTERNET
       5536      120          8          17   Internet Egypt Network
       5713      118        539          70   Telkom SA Ltd 
      33776      115          6           3   Starcomms Nigeria Limited
      29571      107         13           8   Ci Telecom Autonomous system 
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3200       3358         207   bellsouth.net, inc. 
        209     2881       3857         620   Qwest 
       6298     1981        319         726   Cox Communicatons 
       4755     1703        537         179   Videsh Sanchar Nigam Ltd. Aut
       1785     1647        710         155   AppliedTheory Corporation 
       8151     1520       2592         225   UniNet S.A. de C.V. 
       2386     1505        692         900   AT&T Data Communications Serv
       4323     1495       1073         376   Time Warner Telecom
       7018     1410       5816         983   AT&T WorldNet Services
      17488     1334         88         101   Hathway IP Over Cable Interne
      
      Complete listing at http://thyme.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
        209      2881        2261      Qwest 
       4755      1703        1524      Videsh Sanchar Nigam Ltd. Aut
       1785      1647        1492      AppliedTheory Corporation 
       8151      1520        1295      UniNet S.A. de C.V. 
       6298      1981        1255      Cox Communicatons 
      17488      1334        1233      Hathway IP Over Cable Interne
      11492      1214        1192      Cable One 
       4323      1495        1119      Time Warner Telecom
      18566      1045        1035      Covad Communications 
       6478      1114         940      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED   12.0.252.0/23         7018       AT&T WorldNet Servic
      22492   UNALLOCATED   12.2.46.0/24          7018       AT&T WorldNet Servic
      15132   UNALLOCATED   12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.14.170.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.20.55.0/24         6517       Yipes Communications
      13746   UNALLOCATED   12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED   12.25.107.0/24        7018       AT&T WorldNet Servic
      13632   UNALLOCATED   12.31.25.0/24         6517       Yipes Communications
      26973   UNALLOCATED   12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED   12.39.154.0/23        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      24.51.159.0/24        7843     Adelphia Corp. 
      24.53.86.0/24         7843     Adelphia Corp. 
      24.54.224.0/19       20001     HoldCo LLC - Road Runner 
      24.55.0.0/18         20001     HoldCo LLC - Road Runner 
      24.75.160.0/19        7843     Adelphia Corp. 
      24.142.40.0/21        7018     AT&T WorldNet Services
      24.142.160.0/19       7018     AT&T WorldNet Services
      24.246.0.0/17         7018     AT&T WorldNet Services
      24.246.128.0/18       7018     AT&T WorldNet Services
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      
      Complete listing at http://thyme.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:18       /9:9       /10:17      /11:45      /12:146     
      /13:293     /14:530     /15:1058    /16:10041   /17:4382    /18:7591    
      /19:16021   /20:18706   /21:18315   /22:23079   /23:24200   /24:139428  
      /25:839     /26:1022    /27:718     /28:89      /29:9       /30:1       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2037          3200      bellsouth.net, inc. 
       6298     1954          1981      Cox Communicatons 
        209     1647          2881      Qwest 
      11492     1195          1214      Cable One 
       2386     1184          1505      AT&T Data Communications Serv
      17488     1142          1334      Hathway IP Over Cable Interne
       1785     1116          1647      AppliedTheory Corporation 
       4755     1043          1703      Videsh Sanchar Nigam Ltd. Aut
       9583     1040          1184      Sify Limited
       6478     1027          1114      AT&T Worldnet Services 
      
      Complete listing at http://thyme.apnic.net/current/data/sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         4:8         8:134      12:2126     13:2        15:22       16:3      
        17:5        18:13       20:35       24:1085     32:59       38:496    
        40:92       41:700      43:1        44:2        47:12       52:3      
        55:3        56:3        57:26       58:529      59:512      60:453    
        61:983      62:1212     63:2052     64:3236     65:2362     66:3436   
        67:1228     68:776      69:2298     70:860      71:135      72:2012   
        73:6        74:1117     75:165      76:313      77:765      78:820    
        79:228      80:975      81:871      82:586      83:378      84:573    
        85:990      86:402      87:719      88:339      89:1314     90:34     
        91:1414     92:255      93:793      94:75       96:57       97:60     
        98:312      99:3       114:96      115:33      116:971     117:337    
       118:197     119:460     120:74      121:584     122:819     123:380    
       124:846     125:1186    128:353     129:202     130:135     131:409    
       132:70      133:9       134:188     135:33      136:223     137:94     
       138:141     139:93      140:506     141:103     142:406     143:311    
       144:404     145:51      146:373     147:156     148:517     149:199    
       150:128     151:183     152:144     153:136     154:10      155:281    
       156:171     157:288     158:165     159:251     160:272     161:131    
       162:264     163:156     164:517     165:458     166:361     167:332    
       168:623     169:141     170:430     171:33      172:10      173:16     
       188:1       189:488     190:2081    192:5800    193:4133    194:3251   
       195:2566    196:1025    198:3734    199:3307    200:5535    201:1523   
       202:7660    203:8074    204:3953    205:2149    206:2369    207:2759   
       208:3515    209:3435    210:2597    211:1079    212:1423    213:1619   
       214:180     215:50      216:4379    217:1205    218:345     219:429    
       220:1060    221:455     222:311    
      
      End of report